Tesa Se

Tesa Ag

Beiersdorf Ag

Uwe Schümann

Kirstin Weiland

Marc Husemann

Klaus Keite-Telgenbüscher

Sebastian Dietze

Thilo Dollase

Arne Koops

Kai Ellringmann

Philippe Hesse

Bernd Lühmann

Hermann Neuhaus-Steinmetz

Marco Kupsky

Olga Kirpicenok

Thomas Schubert

Dennis Perlbach

Sarah Reich

Sianty Sunarto

Sven Reiter

Wolfgang Schacht

Daniel Schmitz-Stapela

Björn Zeysing

Carsten Böhmer

Clementine Pradier

Jasmin Flucke

Duc Hung Nguyen

Bernhard Müssig

Andreas Junghans

Peter Jauchen

Sven Hansen

Marten Papenbroock

Bernd Dietz

Frank Hannemann

Nicolai Böhm

Matthias Seibert

Ingo Neubert

Harald Kehler

Jobst-Waldemar Klemp

Manfred Spies

Katja Meyer

Esther Von Possel

Kim Elsenbach

Bodo Zu Putlitz

Karsten Seitz

Tanja Altenwegner

Ulrike Wappler

Gero Maatz

Johannes Steinforth

Tim Baumann

Claudia Moehrke

Christine Böhm

Patrick Böcker

Ralf Ihrig

Ingolf Schütz

Stephen Zöllner

Eugenia Seibel

Amy Kaus

Séverine Crouzy

Marta Lunding

Anna Schubert

Maike Strebl- Pfarr

Tobias Von Wedel-parlow

Elma Claret

Alexandre Escoffier

Zoé Janusko-Mandin

Nicholas Buggy

Reactive adhesive film for bonding various materials, including plastic to metal, the adhesive film comprising (a) a polymeric film-forming matrix, (b) at least one epoxide-functionalized (meth)acrylate or vinyl monomer and (c) a reagent selected from an initiator, in particular a free-radical initiator, or an activator. Further disclosed are reactive adhesive film systems comprising two reactive adhesive films. Methods for producing reactive adhesive films, and methods are also disclosed.

Reactive adhesive film with good heat-and-humidity resistance, in particular for bonding polyamide

A method is provided for sealing discontinuities in vehicle bodywork, using an at least two-layer adhesive product which comprises at least one thermally activatable adhesive layer and a film layer of a polymeric material, where first the adhesive product is positioned with the adhesive layer onto the discontinuity for sealing, the adhesive layer sealingly wets the discontinuity, optionally after temperature increase, at elevated temperature the thermal activation of the adhesive ensues, characterized in that the adhesive layer used comprises a layer of a thermally activatable adhesive, specifically a layer based on a vulcanizable adhesive, and the thermal activation takes place with vulcanization of the adhesive.

Sealing adhesive tape for vehicle bodies

The present invention relates to a reactive adhesive film comprising (a) a polymeric film-forming matrix, (b) at least one reactive monomer or reactive resin, and (c) a reagent selected from an initiator, in particular a radical initiator, or an activator, featuring enhanced heat-and-humidity resistance, and to a reactive 2-component adhesive system in film form for bonding diverse materials, such as, for example, metal, wood, glass and/or plastic material.

Reactive 2-component adhesive system in film form having improved heat-and-humidity resistance

The invention relates to a solution in particular for the pre-treatment of a surface, containing, preferably consisting of: I) at least one first silane of formula (I) with R, R, Rindependently selected from the groups methyl, ethyl, 2 methoxyethyl, propyl, i-propyl, butyl, benzyl, wherein m=0 or 1, n=3 to 12, p=1 or 2, and for p=1, Y=a functional group selected from the groups (meth)acryl, (meth)acryloxy, mercapto, ureido, &#x2014;NH&#x2014;CH&#x2014;CH&#x2014;NRR, &#x2014;NRR(with Rand Rindependently selected from the groups H, alkyl, phenyl, benzyl, cycloalkyl), or for p=2, Y=NH; II) at least one second silane of formula (II) with R, R, Rindependently selected from the groups methyl, ethyl, 2 methoxyethyl, propyl, i-propyl, butyl, benzyl, wherein m=0 or 1, R=H, alkyl, phenyl, benzyl or cycloalkyl; III) at least one alcohol; and IV) water. 

Primer solution for improving the adhesion of adhesive strips on hydrophilic surfaces in moist and wet conditions

Thermally vulcanisable, meltable adhesives and processes have a meltable polybutadiene-polyurethane, ground sulphur and optionally at least one vulcanisation accelerator, at least one filling material, at least one epoxide resin, at least one tackifier resin, bitumen, at least one softener and further auxiliary and additive materials, wherein said adhesives and processes can be thermally vulcanised within a temperature range of 130&#xb0; C. to 230&#xb0; C., such that same, as well as an adhesive strip produced from same, can be used for adhesion and/or sealing in the automotive industry, as well as in structural work on oiled sheet metal, and in the painting line on e-coated or otherwise painted sheet metal, for example, for crimp fold adhesion, for crimp fold sealing, for seam sealing, for lining adhesion, for hole closure and much more.

Thermally vulcanisable adhesive and adhesive strip produced therefrom

A thermally vulcanizable pressure-sensitive adhesive comprising a chemically precrosslinked, pressure-sensitively adhesive polybutadiene-polyurethane and ground sulfur, which during the heating phase remains pressure-sensitively adhesive, does not liquefy and hence in this phase, in which the vulcanization has not yet started and the curing has not yet commenced, has shear strength at least under load to moderate low, is able to transmit forces and hence to perform holding, a process for producing it, an adhesive tape comprising this pressure-sensitive adhesive, and a process for producing the adhesive tape.

Thermally vulcanizable adhesive tape with shear strength during the heating and curing phase

A hydroxyl-functionalized polybutadiene polyurethane hotmelt prepolymer that comprises the chemical reaction product of at least one polybutadiene diol, at least one chain extender having a hydroxyl functionality of two and a molecular weight of less than or equal to 300 g/mol and optionally at least one polybutadiene polyol that has a number-average mean functionality between greater than 2.0 and less than or equal to 3.0 with at least one aliphatic or alicyclic diisocyanate, is thermally vulcanizable, and at room temperature is sufficiently solid or high-viscosity that it can be rolled into a roll as a film applied to a carrier without flowing out or being squeezed out on the side.

Hydroxyl functionalized polybutadiene polyurethane hotmelt prepolymer

Method of adhesively bonding two surfaces by means of a reactive adhesive film system comprising at least two adhesive films (F1 and F2), each comprising at least one reactive component (R1 and R2), adhesive bonding being effected by a reaction which requires the presence of both reactive components (R1 and R2), wherein, prior to adhesive bonding, a separating layer (T) which is impermeable to the reactive components is provided between the adhesive films which are to be brought into contact with one another for the reaction, and the separating layer (T) is removed at least in part by means of a laser in order to effect bonding, so that the adhesive films (F1 and F2) come into direct contact with one another and the reaction begins in the presence of both reactive components (R1 and R2), and reactive adhesive film system for use in this method.

Reactive two-component adhesive system in the form of a film and bonding method

Reactive adhesive film, comprising (a) a polymeric film-forming matrix, (b) at least one reactive monomer or reactive resin, and (c) a reagent selected from the group consisting of a radical initiator and an activator, and a reactive 2-component adhesive film system for bonding various materials, such as metal, wood, glass and/or plastic.

Reactive 2-component adhesive film system

A biodegradable, pressure sensitive adhesive based on the chemical reaction product of

Biodegradable, pressure-sensitive adhesive based on polyester-polyurethane

Primer for adhesive tape with improved adhesion promoting properties, comprising a mixture G, which is dissolved or dispersed in one or more solvents, consisting of at least one copolymer obtained by copolymerization of a monomer mixture comprising an amount of at least 90 wt % of the following monomers: vinylcaprolactam and/or vinylpyrrolidone; one or more of the monomers a) and/or b): a) acrylic acid ester of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl group of the alcohol, b) acrylic acid ester of a branched, non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl group, at least one chlorinated polyolefin, and at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates.

Primer for adhesive tapes

A double-sided adhesive tape having a first outer impact-adhesive side and a second outer side that can be heat activated, comprising an at least two-layer product structure comprising the layers A and B. Layer A is an impact-adhesive layer chemically cross-linked by means of thermal initiation or an impact-adhesive carrier layer chemically cross-linked by means of thermal initiation. Layer B is a layer on the basis of a thermoplastic plastic. Layer A and layer B are in direct contact with each other, and the surface of layer B that is in direct contact with layer A has been corona- or plasma-pretreated. The double-sided adhesive tape is characterized in that the corona or plasma pretreatment is performed in an atmosphere comprising nitrogen, carbon dioxide, or a noble gas or a mixture of at least two of said gases.

Double-sided adhesive tape having a first outer impact-adhesive side and a second outer side that can be heat activated

The invention relates to a novel, reactive 2-component adhesive system, preferably in film form, for adhering diverse materials, such as for example, metal, wood, glass and/or plastic.

Reactive 2-component adhesive system

Adhesive tape having at least two layers A and B laminated directly on one another, with at least one or both layers A or B being an adhesive, and the interfaces of the layers A and B laminated on one another being subjected to a physical method, the physical method being selected from the group consisting of corona discharge, dielectric barrier discharge, flame pretreatment and plasma treatment, before the layers are laminated to one another, with the two methods differing from one another.

Adhesive tape, preferably self-adhesive tape, comprising of at least two layers A and B laminated directly on one another, with at least one or both layers A or B being an adhesive

Growing community of inventors

Pinneberg, Germany

Uwe Schümann